单项选择题

Which command shows your active Telnet connections?（）

A.show session
B.show cdp neighbors
C.show users
D.show queue

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多项选择题

Which two statements describe the advantages to the use of RIP over the use of OSPF？（）

A.RIP requires less time to converge
B.RIP uses less bandwidth
C.RIP is less complex to configure
D.RIP demands fewer router resources
E.RIP has a more accurate metric

单项选择题

Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）

A.transport type all
B.transport output all
C.transport preferred all
D.transport input all

单项选择题

On the network 131.1.123.0/27, what is the last IP address that can be assigned to a host?（）

A.131.1.123.30
B.131.1.123.31
C.131.1.123.32
D.131.1.123.33